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Finding the Third Proportional to 91,860.50 and 130,018.75

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Solution

The third proportional to 91,860.50 and 130,018.75 is: 184,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,860.50 : 130,018.75 = 130,018.75 : x
  2. Step 2: Convert to fraction form
    91,860.50/130,018.75 = 130,018.75/x
  3. Step 3: Cross multiply
    91,860.50x = 130,018.75 × 130,018.75
  4. Step 4: Simplify right side
    91,860.50x = 16,904,875,351.56
  5. Step 5: Solve for x
    x = 16,904,875,351.56/91,860.50
  6. Step 6: Final answer
    x = 184,027.69

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.